Epstein-Barr virus (EBV) infects about 90% of adults worldwide. It is the main cause of
infectious mononucleosis, which is observed most frequently in adolescents. The disease
can last several weeks and is characterized by lymphocytosis, sore throat,
lymphadenopathy, and fatigue. Exposure to oral secretions during deep kissing has been
identified as the major source for primary EBV infection in adolescents. Oral secretions are
also thought to be the source for younger children through intimate intact or sharing food …